// valid against the audience of the Kubernetes API server.
  // +optional
  repeated string audiences = 4;

  // Error indicates that the token couldn't be checked
  // +optional
  optional string error = 3;
}

// UserInfo holds the information about the user needed to implement the
// user.Info interface.
message UserInfo {

   1. If the certificate is not yet expired, the `SecretManager` also can return a cache response. In practice, this would
       only happen in cases where Envoy were to re-request a resource, which is fairly rare.
   1. `SecretManager` can also read certificates from files. When this is configured, no CA client is used.

  // `apiGroups:["apps"], apiVersions:["v1"], resources: ["deployments"]` and `matchPolicy: Equivalent`,
  // an API request to apps/v1beta1 deployments would be converted and sent to the webhook
  // with `kind: {group:"apps", version:"v1", kind:"Deployment"}` (matching the rule the webhook registered for),

// +protobuf=true
// +k8s:openapi-gen=true
message Unknown {
  optional TypeMeta typeMeta = 1;

  // Raw will hold the complete serialized object which couldn't be matched
  // with a registered type. Most likely, nothing should be done with this
  // except for passing it through the system.
  optional bytes raw = 2;

  // the last of any duplicate fields. This is the default in v1.23+
  // - Strict: This will fail the request with a BadRequest error if
  // any unknown fields would be dropped from the object, or if any
  // duplicate fields are present. The error returned from the server
  // will contain all unknown and duplicate fields encountered.
  // +optional
  optional string fieldValidation = 4;

  // Likewise, if you want to write a policy that specifies that no egress is allowed,
  // you must specify a policyTypes value that include "Egress" (since such a policy would not include
  // an Egress section and would otherwise default to just [ "Ingress" ]).
  // This field is beta-level in 1.8
  // +optional
  repeated string policyTypes = 4;
}

  // of the StatefulSet. Each pod will be named with the format
  // <statefulsetname>-<podindex>. For example, a pod in a StatefulSet named
  // "web" with index number "3" would be named "web-3".
  // The only allowed template.spec.restartPolicy value is "Always".
  optional k8s.io.api.core.v1.PodTemplateSpec template = 3;

  // Maximal length of the note is 1kB, but libraries should be prepared to
  // handle values up to 64kB.
  // +optional
  optional string note = 10;

  // type is the type of this event (Normal, Warning), new types could be added in the future.
  // It is machine-readable.
  // +optional
  optional string type = 11;

  // deprecatedSource is the deprecated field assuring backward compatibility with core.v1 Event type.
  // +optional

installation was done like:

```console
helm install istio-ingress manifests/charts/gateways/istio-ingress -n istio-system
```

It could be upgraded with

```console
helm upgrade istio-ingress manifests/charts/gateway -n istio-system --set name=istio-ingressgateway --set labels.app=istio-ingressgateway --set labels.istio=ingressgateway
```

  // It does not support `*`.
  // Trailing slashes are trimmed when validating the path prefix with a host path.
  //
  // Examples:
  // `/foo` would allow `/foo`, `/foo/` and `/foo/bar`
  // `/foo` would not allow `/food` or `/etc/foo`
  optional string pathPrefix = 1;

  // when set to true, will allow host volumes matching the pathPrefix only if all volume mounts are readOnly.
  // +optional